Finding the Fourth Proportional to 248,305.20, 372,457.80 and 232,753.20
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Solution
The fourth proportional to 248,305.20, 372,457.80 and 232,753.20 is: 349,129.80
Step by Step Solution
- Step 1: Write the proportion equation
248,305.20 : 372,457.80 = 232,753.20 : x - Step 2: Convert to fraction form
248,305.20/372,457.80 = 232,753.20/x - Step 3: Cross multiply
248,305.20x = 372,457.80 × 232,753.20 - Step 4: Simplify right side
248,305.20x = 86,690,744,814.96 - Step 5: Solve for x
x = 86,690,744,814.96/248,305.20 - Step 6: Final answer
x = 349,129.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.